:root {
  --primary: #2c5a4a;
  --accent: #5aa09d;
  --bg: #f0f4f8;
  --text-dark: #2d3748;
  --text-light: #68a0a3;
  --border: #cbd5e0;
  --white: #ffffff;
  --light: #edf2f7;
}

body {
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background: var(--bg);
  margin: 0;
  padding: 0;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; margin: 0; padding: 0; }

/* --- Navigation --- */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  background: var(--white);
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.navbar-left { display: flex; align-items: center; gap: 1rem; }
.navbar-logo {
  font-weight: 700;
  color: var(--primary);
  font-size: 1.2rem;
  letter-spacing: -0.5px;
}

.navbar-links { display: flex; gap: 2rem; }
.navbar-link {
  color: var(--text-dark);
  font-weight: 500;
  transition: color 0.2s;
}
.navbar-link:hover { color: var(--accent); }
.navbar-link.active { color: var(--accent); position: relative; }
.navbar-link.active::after {
  content: ""; position: absolute; bottom: -4px; left: 0; width: 100%; height: 3px; background: var(--accent); border-radius: 2px;
}

.menu-toggle {
  display: none; background: none; border: none; cursor: padding: 0.5rem;
}
.menu-toggle span { display: block; width: 24px; height: 3px; background: var(--primary); margin: 5px 0; transition: transform 0.3s; }
.menu-toggle.active span:nth-child(2) { opacity: 0; transform: translateX(8px); }
.menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translateX(5px); }
.menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translateX(5px); }

@media (max-width: 768px) {
  .navbar-links { position: absolute; top: 100%; left: 0; right: 0; background: var(--white); flex-direction: column; padding: 2rem; box-shadow: 0 8px 16px rgba(0,0,0,0.1); max-height: 0; overflow: hidden; transition: max-height 0.3s ease-out; }
  .navbar-links.active { max-height: 300px; }
  .navbar-link { width: 100%; padding: 0.75rem 0; box-sizing: border-box; border-bottom: 1px solid var(--border); }
  .menu-toggle { display: block; }
}

/* --- Hero (index) --- */
.hero { padding: 8rem 2rem 4rem; text-align: center; }
.hero h1 { font-size: 2.5rem; margin-bottom: 1rem; line-height: 1.3; }
.hero p { color: var(--text-light); margin-bottom: 2rem; max-width: 600px; margin-left: auto; margin-right: auto; }
.hero .btn { display: inline-block; padding: 0.8rem 1.6rem; border-radius: 4px; font-weight: 500; transition: background 0.2s; }
.hero .btn-primary { background: var(--primary); color: var(--white); }
.hero .btn-primary:hover { background: var(--accent); }
.hero .btn-outline { border: 2px solid var(--primary); color: var(--primary); margin-left: 1rem; }
.hero .btn-outline:hover { background: var(--primary); color: var(--white); }

/* --- Services Grid --- */
.services-grid { max-width: 1200px; margin: 3rem auto; padding: 0 1rem; display: grid; gap: 1.5rem; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.service-card { background: var(--white); padding: 2rem; border-radius: 6px; text-align: center; border: 1px solid var(--border); transition: transform 0.2s, box-shadow 0.2s; }
.service-card:hover { transform: translateY(-4px); box-shadow: 0 8px 20px rgba(0,0,0,0.08); }
.service-card em { font-style: normal; color: var(--accent); font-size: 2rem; display: block; margin-bottom: 0.5rem; }

/* --- About / Credentials Strip --- */
.about-strip { padding: 2rem; max-width: 1200px; margin: 3rem auto; background: var(--light); border-radius: 6px; }
.about-strip p { margin: 0; color: var(--text-dark); }
.credentials { max-width: 1200px; margin: 2rem auto; padding: 1.5rem; background: var(--white); border-radius: 6px; border: 1px solid var(--border); }
.credentials p { margin: 0; font-size: 0.9rem; }
.credentials strong { color: var(--primary); }

/* --- CTA Strip --- */
.cta-strip { padding: 2rem; max-width: 1200px; margin: 3rem auto; text-align: center; background: var(--primary); color: var(--white); border-radius: 6px; }
.cta-strip h2 { font-size: 1.5rem; margin-bottom: 1rem; }
.cta-strip .btn-primary { background: var(--white); color: var(--primary); padding: 0.8rem 1.6rem; border-radius: 4px; font-weight: 500; }
.cta-strip .btn-primary:hover { background: var(--accent); color: var(--primary); }

/* --- Footer --- */
.footer { padding: 3rem 2rem 1rem; color: var(--text-light); background: #1a2a3a; }
.footer-container { max-width: 1200px; margin: 0 auto; padding: 0 1rem; }
.footer-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 2rem; margin-bottom: 2rem; }
.footer-col h4 { color: var(--white); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 1rem; }
.footer-col p { font-size: 0.85rem; line-height: 1.6; margin-bottom: 0.5rem; }
.footer-col a { color: var(--text-light); transition: color 0.2s; }
.footer-col a:hover { color: var(--accent); }
.footer-bottom { padding-top: 1.5rem; border-top: 1px solid var(--border); margin-top: 2rem; font-size: 0.75rem; color: var(--text-light); }
.footer-bottom p { margin: 0; }

@media (max-width: 768px) {
  .footer-row > * { order: 1; margin-bottom: 1rem; }
  .footer-bottom { font-size: 0.7rem; }
}